#include <stdio.h>

int main()
{
    printf("%lu\n", sizeof(int));
    printf("%lu\n", sizeof(short));
    printf("%lu\n", sizeof(float));
    printf("%lu\n", sizeof(long));

    int a, b, c, d;
    unsigned u;
    a = 12;
    b = -24;
    u = 10;
    c = a + u;
    d = b + u;
    printf("a + u = %d, b + u = %d\n", c, d);
    return 0;
}

